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  • What’s the difference between air sampling and air monitoring?

    Air monitoring and air sampling are two different methods of looking at air quality. Air monitoring uses electronic devices to provide real-time readings of contaminants in the air. Air sampling involves trapping air over a period of time in a container that is then sent to a laboratory for analysis…

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  • What is EPA’s role in sampling?

    EPA is part of the Unified Command consisting of different agencies to review, approve and direct Norfolk Southern’s workplans and site activities. Surface water sampling is performed by Norfolk Southern contractors, with EPA and Ohio EPA oversight. Soil sampling is performed both by Norfolk Southern contractors and EPA contractors. Air…

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  • What is the plume map and what does it tell us?

    The plume map is an “event reconstruction” based on known weather and on-site observations during a 10-hour time period after the vent-and-burn operation that occurred on Monday, February 6. It tells us where soot likely fell to the ground and where the highest concentrations of particles may be. This information…

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  • What is defined as a structure (home or place of business)?

    While generally defined as a building, a structure under the structural cleaning program will include only those habitable spaces where indoor occupancy is frequent and regularly occurring on a daily or near-daily basis. Examples of residential structures include primary residences and living spaces, and examples of commercial structures include offices…

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  • Why is cleaning of homes and places of businesses happening?

    Norfolk Southern, with EPA oversight, is providing indoor cleaning to eligible occupants in response to concerns about the impact of the derailment and cleanup work on homes and places of businesses. The cleaning is to address potential dust that may have been generated as part of the train derailment and…

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  • What work still needs to be done at the derailment site?

    Although contaminated soil has been excavated and removed from the derailment site, some additional work remains. Soil sampling continues to check all areas where cleanup operations took place. Stream assessments continue, and culvert clean out has started. Groundwater and drinking water sampling also continues. Expect these investigations and possible additional…

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  • What is split sampling?

    Split sampling is a technique where multiple samples are collected from the same location at the same time and then sent to separate laboratories for analysis. Checking to see if the labs get the same or similar results is a way to determine the accuracy of the data. If there…

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  • My neighbor is re-siding and re-roofing his house and there is material all over the ground. Do I need to be worried about asbestos exposure?

    Not all house siding or roofing materials contain asbestos. If you are concerned the material might contain asbestos, you can ask your neighbor whether or not the material has been tested for asbestos. Federal regulations regarding renovations or demolitions of asbestos-containing materials do not apply to a homeowner’s renovation of…

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  • How do I know if I have asbestos in my home (in floor tile, ceiling tile, shingles, siding, etc.)?

    The only way to be sure whether a material contains asbestos is to have it tested by a qualified laboratory. EPA only recommends testing suspect materials if they are damaged (fraying, crumbling) or if you are planning a renovation that would disturb the suspect material. Samples should be taken by…

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  • What work happens after contamination under and between the train tracks is removed?

    After track work is complete, additional cleanup and assessments will continue. This includes shipping solid and liquid wastes off-site, excavating in areas where rail cars were staged and scrapped, and sampling and monitoring groundwater, soil, surface water, and sediment.

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  • Columbiana County Health District has sampled my private well, will it be sampled again?

    Residents will be contacted if they are within the priority zones and have signed up for private well sampling. Within 60 days after the first sample, private wells are resampled, and residents will be contacted to schedule resampling. Residents within one of the four priority zones can also schedule a…

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  • Does this mean my home or place of business is contaminated?

    No. However, indoor cleaning is being offered to address potential dust emissions that may have been generated as part of the train derailment and cleanup work. This service is being offered as an additional service to interested members of the community.

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  • I found out the cement water pipes leading to my house (business) contain asbestos. What should I do?

    If the pipes are damaged they should be properly repaired or replaced by your water utility. Learn more about asbestos in drinking water . Other Frequent Questions about Asbestos Learn About Asbestos Asbestos and School Buildings Information for Owners and Managers of Buildings that Contain Asbestos Protect Your Family from…

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  • I have changed my brakes in the past, should I be worried about asbestos exposure?

    Because some, but not all, automotive brakes and clutches available or in use today may contain asbestos, professional automotive technicians and home mechanics who repair and replace brakes and clutches can potentially be exposed to asbestos dust. Brake and clutch dust can be seen when a brake disk, drum, clutch…

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  • Does the EPA have money available for homeowners to pay for asbestos testing or asbestos removal?

    The EPA does not have funding available to homeowners for asbestos testing or removal. Other Frequent Questions about Asbestos Learn About Asbestos Asbestos and School Buildings Information for Owners and Managers of Buildings that Contain Asbestos Protect Your Family from Exposures to Asbestos Asbestos Contaminated Vermiculite Insulation

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